1988 IUCN red list of threatened animals (1988)

1990 IUCN red list of threatened animals (1990)

1994 IUCN red list of threatened animals (1994)

Årsskrift - Kungl. Vetenskaps-societeten i Uppsala. (Kongl. Vetenskaps-societeten i Upsala, 1860)

Abbildungen von Vogel-Skeletten - Meyer, Adolf Bernhard, 1840 -1911 ([s.n.], 1879)

Abhandlungen aus dem Gebiete der Naturwissenschaften / hrsg. vom Naturwissenschaftlichen Verein in Hamburg - Naturwissenschaftlicher Verein in Hamburg. (Naturwissenschaftlicher Verein, 1848)

Abhandlungen der Mathematisch-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften - Königlich Bayerische Akademie der Wissenschaften (1914)

Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft - Senckenbergische Naturforschende Gesellschaft. (Waldemar Kramer [etc.], 1897)

Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft - Senckenbergische Naturforschende Gesellschaft. (Waldemar Kramer [etc.], 1900)

Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft - Senckenbergische Naturforschende Gesellschaft. (Waldemar Kramer [etc.], 1899)

Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft - Senckenbergische Naturforschende Gesellschaft. (Waldemar Kramer [etc.], 1911)

Abhandlungen des Naturwissenschaftlichen Vereins (früher Zoologisch-Mineralogischen Vereins) in Regensburg - Naturwissenschaftlicher Verein Regensburg (1918)

Abhandlungen herausgegeben vom Naturwissenschaftlichen Verein zu Bremen - Naturwissenschaftlicher Verein zu Bremen. (Im Selbstverlag des Naturwissenschaftlichen Vereins, 1882)

Abhandlungen herausgegeben vom Naturwissenschaftlichen Verein zu Bremen - Naturwissenschaftlicher Verein zu Bremen. (Im Selbstverlag des Naturwissenschaftlichen Vereins, 1889)

Abhandlungen herausgegeben vom Naturwissenschaftlichen Verein zu Bremen - Naturwissenschaftlicher Verein zu Bremen. (Im Selbstverlag des Naturwissenschaftlichen Vereins, 1898)

Abhandlungen herausgegeben vom Naturwissenschaftlichen Verein zu Bremen - Naturwissenschaftlicher Verein zu Bremen. (Im Selbstverlag des Naturwissenschaftlichen Vereins, 1900)

Abriss der zoologie für studirende : ärzte und lehrer - Brass, Arnold, 1854 -1915 (W. Engelmann, 1882)

Acari, Myriopoda et Scorpiones hucusque in Italia reperta - Canestrini, Giovanni, 1835 -1900 (Sumptibus Auctoris, 1882)

Actes de la Société linnéenne de Bordeaux - Société Linnéenne de Bordeaux. (The Society, 1884)

Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1948)

The African Republic of Liberia and the Belgian Congo : based on the observations made and material collected during the Harvard African Expedition, 1926-1927 - Strong, Richard P. (Richard Pearson), 1872 -1948 (Harvard University Press, 1930)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1930)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1931)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1935)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1963)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1966)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1967)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1968)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1969)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1970)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1971)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1972)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1973)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1974)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1975)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1979)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1982)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1983)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1985)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1992)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1995)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 1996)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 2000)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 2001)

Alauda : revue internationale d'ornithologie - Muséum national d'histoire naturelle (France) (Société d'études ornithologiques de France, 2002)

Alberta birds, 1971 - 1980 - Alberta. Alberta Culture; Multiculturalism. (Natural History Section, Provincial Museum of Alberta, 1991)

Album de aves amazonicas (Impressão do Instituto Polygraphico a.g, 1900)

Album der Natuur - Vries, Hugo de, 1848 -1935 (1867)

Album der Natuur - Vries, Hugo de, 1848 -1935 (1869)

American forestry - American Forestry Association. (American Forestry Association, 1919)

The American natural history : a foundation of useful knowledge of the higher animals of North America - Beard, J. Carter (James, Carter), 1837 -1913 (G. Newnes, 1904)

The American natural history; a foundation of useful knowledge of the higher animals of North America - Hornaday, William T. (William Temple), 1854 -1937 (C. Scribner's Sons, 1904)

The American natural history : a foundation of useful knowledge of the higher animals of North America - Hornaday, William T. (William Temple), 1854 -1937 (C. Scribner, 1906)

The American natural history; a foundation of useful knowledge of the higher animals of North America - Hornaday, William T. (William Temple), 1854 -1937 (C. Scribner's Sons, 1914)

The American natural history : a foundation of useful knowledge of the higher animals of North America - Hornaday, William T. (William Temple), 1854 -1937 (C. Scribner's sons, 1914)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1889)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1895)

Amerigo Vespucci and the rat of Fernando de Noronha : a new genus and species of Rodentia (Muridae, Sigmodontinae) from a volcanic island off Brazil's continental shelf - Carleton, Michael D. (Michael Dean), 1944 - (American Museum of Natural History, 1999)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1897)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1906)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1913)

Anales de la Sociedad Científica Argentina - Sociedad Científica Argentina ([Sociedad Científica Argentina], 1975)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1979)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 1981)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 2006)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 2010)

Anales del Museo de Historia Natural de Valparaiso - Museo de Historia Natural de Valparaíso (Valparaíso, Chile) (Ministerio de Educación, Dirección de Bibliotecas, Archivos y Museos [etc.], 2016)

Anales del Museo Nacional de Buenos Aires - Museo Nacional de Buenos Aires. (Impr. de Juan A. Alsina, 1895)

The anatomical record - Wistar Institute of Anatomy; Biology. (A. R. Liss [etc.], 1906)

Anatomischer Anzeiger - Anatomische Gesellschaft. (G. Fischer, 1896)

Animal keepers' forum - American Association of Zoo Keepers (American Association of Zoo Keepers, 2000)

The animals of New Zealand; an account of the dominion's air-breathing vertebrates - Hutton, Frederick Wollaston, 1836 -1905 (Whitcombe and Tombs, 1909)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1888)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1892)

Annalen des K.K. Naturhistorischen Hofmuseums - K.K. Naturhistorisches Hofmuseum (Vienna, Austria) (Alfred Hölder, 1912)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1874)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1875)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1870)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1884)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1886)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1888)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1896)

Annali del Museo civico di storia naturale di Genova - Museo civico di storia naturale di Genova (Italy) (Tip. del R. Istituto Sordo-Muti, 1907)

Annali del Museo civico di storia naturale Giacomo Doria - Museo civico di storia naturale Giacomo Doria (Genoa, Italy) (Stab. tipo-litografico P. Pellas Fu L, 1979)

Annali del Museo civico di storia naturale Giacomo Doria - Museo civico di storia naturale Giacomo Doria (Genoa, Italy) (Stab. tipo-litografico P. Pellas Fu L, 1986)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1910)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1928)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1943)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1984)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1987)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1994)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1997)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1999)

Annals of the Lyceum of Natural History of New York - Lyceum of Natural History (New York, N.Y.) (1870)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1985)

Annals of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution Press, 2000)

Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum - South African Museum. (South African Museum, 1968)

Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum - South African Museum. (South African Museum, 1981)

Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum - South African Museum. (South African Museum, 1994)

Annals of the Transvaal Museum - Transvaal Museum (Transvaal Museum, 1910)

Annals of the Transvaal Museum - Transvaal Museum (Transvaal Museum, 1921)

Annals of the Transvaal Museum - Transvaal Museum (Transvaal Museum, 1922)

Annotated CITES appendices and reservations - IUCN Conservation Monitoring Centre. (IUCN Conservation Monitoring Centre, 1986)

Annotated CITES Appendices and Reservations (2001)

Annotated CITES Appendices and Reservations (1998)

Annotated CITES appendices and reservations 1988 (1988)

Annotationes zoologicae japonenses / Nihon dōbutsugaku ihō - Nihon Dobutsu Gakkai. (Societas, 1915)

Annual report - Florida. Dept. of game; fish. (1914)

Annual report - New York State Museum. (University of the State of New York, 1909)

Annual report - New York State Museum. (University of the State of New York, 1914)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1928)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1937)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1939)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1941)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1942)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1944)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1945)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1946)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1947)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1948)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1952)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1954)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1956)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1958)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1959)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1960)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1961)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1962)

Annual report of the Board of Regents of the Smithsonian Institution - Smithsonian Institution (Smithsonian Institution, 1963)